Pet waterbed frame



FIG. 1 is a top perspective view of a pet waterbed frame showing my new design;

FIG. 2 is a front elevational view thereof, the rear being substantially similar in appearance;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image of the right side shown;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

The broken lines are shown for illustrative purposes only. 

The ornamental design for a pet waterbed frame, substantially as shown and described. 